linux-kernel - [PATCH V2] docs: ABI: sysfs-driver-ufs: Add DeepSleep power mode

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Message-Id: <20210104155026.16417-1-adrian.hunter@intel.com>
Date:   Mon,  4 Jan 2021 17:50:26 +0200
From:   Adrian Hunter <adrian.hunter@...el.com>
To:     "Martin K . Petersen" <martin.petersen@...cle.com>,
        "James E . J . Bottomley" <jejb@...ux.ibm.com>
Cc:     linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Avri Altman <avri.altman@....com>,
        Bean Huo <huobean@...il.com>, Can Guo <cang@...eaurora.org>,
        Stanley Chu <stanley.chu@...iatek.com>
Subject: [PATCH V2] docs: ABI: sysfs-driver-ufs: Add DeepSleep power mode

Update sysfs documentation for addition of DeepSleep power mode.

Fixes: fe1d4c2ebcae ("scsi: ufs: Add DeepSleep feature")
Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
---


Changes in V2:

	Amended commit messages and added Fixes tag, since DeepSleep
	is now in v5.11-rc1


 Documentation/ABI/testing/sysfs-driver-ufs | 34 +++++++++++++---------
 1 file changed, 20 insertions(+), 14 deletions(-)

diff --git a/Documentation/ABI/testing/sysfs-driver-ufs b/Documentation/ABI/testing/sysfs-driver-ufs
index adc0d0e91607..e77fa784d6d8 100644
--- a/Documentation/ABI/testing/sysfs-driver-ufs
+++ b/Documentation/ABI/testing/sysfs-driver-ufs
@@ -916,21 +916,24 @@ Date:		September 2014
 Contact:	Subhash Jadavani <subhashj@...eaurora.org>
 Description:	This entry could be used to set or show the UFS device
 		runtime power management level. The current driver
-		implementation supports 6 levels with next target states:
+		implementation supports 7 levels with next target states:
 
 		==  ====================================================
-		0   an UFS device will stay active, an UIC link will
+		0   UFS device will stay active, UIC link will
 		    stay active
-		1   an UFS device will stay active, an UIC link will
+		1   UFS device will stay active, UIC link will
 		    hibernate
-		2   an UFS device will moved to sleep, an UIC link will
+		2   UFS device will be moved to sleep, UIC link will
 		    stay active
-		3   an UFS device will moved to sleep, an UIC link will
+		3   UFS device will be moved to sleep, UIC link will
 		    hibernate
-		4   an UFS device will be powered off, an UIC link will
+		4   UFS device will be powered off, UIC link will
 		    hibernate
-		5   an UFS device will be powered off, an UIC link will
+		5   UFS device will be powered off, UIC link will
 		    be powered off
+		6   UFS device will be moved to deep sleep, UIC link
+		will be powered off. Note, deep sleep might not be
+		supported in which case this value will not be accepted
 		==  ====================================================
 
 What:		/sys/bus/platform/drivers/ufshcd/*/rpm_target_dev_state
@@ -954,21 +957,24 @@ Date:		September 2014
 Contact:	Subhash Jadavani <subhashj@...eaurora.org>
 Description:	This entry could be used to set or show the UFS device
 		system power management level. The current driver
-		implementation supports 6 levels with next target states:
+		implementation supports 7 levels with next target states:
 
 		==  ====================================================
-		0   an UFS device will stay active, an UIC link will
+		0   UFS device will stay active, UIC link will
 		    stay active
-		1   an UFS device will stay active, an UIC link will
+		1   UFS device will stay active, UIC link will
 		    hibernate
-		2   an UFS device will moved to sleep, an UIC link will
+		2   UFS device will be moved to sleep, UIC link will
 		    stay active
-		3   an UFS device will moved to sleep, an UIC link will
+		3   UFS device will be moved to sleep, UIC link will
 		    hibernate
-		4   an UFS device will be powered off, an UIC link will
+		4   UFS device will be powered off, UIC link will
 		    hibernate
-		5   an UFS device will be powered off, an UIC link will
+		5   UFS device will be powered off, UIC link will
 		    be powered off
+		6   UFS device will be moved to deep sleep, UIC link
+		will be powered off. Note, deep sleep might not be
+		supported in which case this value will not be accepted
 		==  ====================================================
 
 What:		/sys/bus/platform/drivers/ufshcd/*/spm_target_dev_state
-- 
2.17.1